Research Article

Bond-Slip Models for FPR-Concrete Interfaces Subjected to Moisture Conditions

Table 2

Regression coefficients and fracture energies of all the specimens.

SpecimensExposure duration (months)(N/mm2)(mm)AB (N/mm)Normalized

SB-A-002300000.1110.0076610.960.950.7491.00
SB-A-662300000.1110.010666.080.931.4511.94
SB-A-12122300000.1110.0069312.620.950.6140.82
SB-A-18182300000.1110.007339.790.970.6860.92

SB-B-002300000.1110.0065214.460.950.5431.00
SB-B-662300000.1110.0062213.020.970.4940.91
SB-B-12122300000.1110.0062111.740.940.4930.91
SB-B-18182300000.1110.0059112.060.960.4460.82

SB-C-002300000.2180.0069910.730.971.2251.00
SB-C-662300000.2180.0061610.880.930.9520.78
SB-C-12122300000.2180.0056112.120.950.7900.64
SB-C-18182300000.2180.0066410.190.951.1060.90

SB-D-002400000.1760.0059911.810.950.7581.00
SB-D-662400000.1760.0054913.930.920.6370.84
SB-D-12122400000.1760.0045116.810.960.4300.57
SB-D-18182400000.1760.0054214.990.970.6210.82

SB-E-002450000.3330.0033614.400.970.4611.00
SB-E-662450000.3330.0039913.720.920.6501.41
SB-E-12122450000.3330.0038910.980.930.6181.34
SB-E-18182450000.3330.0043213.990.950.7621.65

SB-F-002100001.40.0020117.440.970.5941.00
SB-F-662100001.40.0023815.720.960.8331.40
SB-F-12122100001.40.0024013.360.960.8471.43
SB-F-18182100001.40.0024115.500.950.8541.44